IP Verse

Process For Lyophilized Pharmaceutical Formulation Of A Therapeutic Protein

Patent No. EP3681483 (titled "Process For Lyophilized Pharmaceutical Formulation Of A Therapeutic Protein") was filed by Amgen on Sep 10, 2018. The application was issued on May 18, 2022.

Patent Summary

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Patent Family

Patent Oppositions (3)

Patent oppositions filed by competitors challenge the validity of a granted patent. These oppositions are typically based on claims of prior art, lack of novelty, or non-obviousness. They are a key part of the process for determining a patent's strength and enforceability.

CompanyOpposition DateRepresentative
OETKEFeb 20, 2023OETKE
WITHERS & ROGERSFeb 20, 2023TOMBLING
JG OPPOSITIONSFeb 17, 2023ROBINSON

Dossier Documents

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EP3681483

AMGEN
Application Number
EP18779167A
Filing Date
Sep 10, 2018
Status
Revoked
Sep 5, 2025
Publication Date
May 18, 2022
External Links
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